5pcs Magnetic Drywall Screw Setter Bits – PH2 Depth-Adjustable Driver Bits with Detachable Aluminum Guide Ring, S2 Alloy Steel 1/4" Hex Controlled Screw Depth for Clean Results: Equipped with an adjustable depth system and removable aluminum guide ring, these magnetic drywall setter bits help drive screws to consistent depth, reducing surface damage and improving finish quality. Premium S2 Alloy Steel Performance: Made from hardened S2 alloy steel to deliver excellent strength, torque resistance, and long service life, suitable for frequent use with power drills in drywall and woodworking applications. Shock-Reducing Slim Neck Design: The narrowed mid-section acts as a buffer zone, absorbing impact from high-speed drivers, lowering vibration, and helping extend bit lifespan during repetitive fastening tasks. Magnetic Holding Ring with Detachable Design: Built-in magnetic ring securely grips screws to minimize drops and misalignment. The detachable structure allows flexible depth adjustment and faster, more efficient workflow. Precision-Balanced Concentric Shaft: Features a centered shaft design that improves stability, reduces wobble, and ensures accurate screw placement for drywall installation, furniture assembly, and general repair work.